Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
cong tac » cong ty
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu manh - hanh trinh cua nhung ((cong tac) or (huong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh trinh cua nhung ((cong tac) OR (huong dan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh trinh cua nhung ((cong tac) or (huong dan)) toan tap*.